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- Clear Skies Initiative
- Clean Air Interstate Rule
- Clean Air Mercury Rule
- Clean Air Nonroad Diesel Rule
- Healthy Forests Initiative
- President's Wetlands Initiative
- 2002 Farm Bill Conservation Title
- Reducing Greenhouse Gas Intensity
- Hydrogen Fuels Initiative
- President's Clean Coal Initiative
- ClimateVISION
- U.S. Ocean Action Plan
- Cooperative Conservation
- Brownfields
Clean-up and Redevelopment - Our National Parks
- Our Great Lakes
- Water 2025
- President's Initiative Against Illegal Logging
- FutureGen: Pollution- and Greenhouse Gas-free Power
- Expanding Renewable and Alternative Energy Sources
- World Summit on Sustainable Development
- Global Earth Observation System of Systems (GEOSS)
